@bgc:#0F1638;
@c1:#fff;
body{
  background-color: @bgc;
}
:root:root {
  --van-nav-bar-background: @bgc;
  --van-text-color: @c1;
  --van-nav-bar-icon-color: @c1;
  --van-nav-bar-text-color: @c1;
}